Hey,
I tried solving it the following way using the FieldValidatorSource service:
<t:textfield t:id="someField" t:value="someValue"
t:validate="prop:someFieldValidate" />
public FieldValidator<Object> getSomeFieldValidate() {
StringBuilder validate = new StringBuilder()
.append("required")
.append(",")
.append("regexp="+SOME_REGEXP);
return fieldValidatorSource.createValidators(someField,
validate.toString());
}
But now I have a problem when SOME_REGEXP contains a space character it
throws following error:
java.lang.RuntimeException
*Unexpected character ']' at position 26 of input string:
required,regexp=^[A-ΓΏ'\- ]*$*
org.apache.tapestry5.internal.services.FieldValidatorSourceImpl
parseError() FieldValidatorSourceImpl.java 422
org.apache.tapestry5.internal.services.FieldValidatorSourceImpl parse()
FieldValidatorSourceImpl.java 381
org.apache.tapestry5.internal.services.FieldValidatorSourceImpl
toValidatorSpecifications() FieldValidatorSourceImpl.java 199
org.apache.tapestry5.internal.services.FieldValidatorSourceImpl
createValidators() FieldValidatorSourceImpl.java 182
...
I used this same regexp value in the @Validate annotation before without
problems, but with my method above it gives the above parsing error.
Anyone know how I can solve the above problem?
Nathan
On 15/09/16 16:20, Nathan Quirynen wrote:
Hi,
I want to use the @Validate annotation, but I cannot put it at the
value properties, because these properties are part of a DTO object
that is part of a library.
In the documentation
(http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/beaneditor/Validate.html)
I found the following: " May be placed on any getter or setter method,
or on the matching field".
So I thought I could do the following:
@Validate("regexp="+SOME_REGEXP)
@InjectComponent
private Field someField;
But this does not seem to work?
Is there any other way to add validators to a field programatically
when you have no access to the property declarations?
I could do all validation myself in the onValidate event, but this
does not seem optimal.
Nathan
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